<?php
/**
 *
 *
 * @author Zeon <scplay@gmail.com>
 * @date 2018/6/5 10:21
 * @copyright PanxSoft Inc.
 */

namespace App\Models\Contracts;


interface LanguageSwitchContract
{
    /**
     * @param string $lang
     *
     * @return bool
     */
    public function switchLanguage(string $lang): bool;
}